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在用cascade-picker组件时,在手机端如果用一只手指在最左列向上滑,另一只手指在第二列向下滑(或者反过来尝试多次),有一定几率会产生一个取数据错位的bug。

我的解决方法就是:设定一个全局的锁,这样有picker的一列正在滚动时,另外的列就会被禁止滚动,这样就能规避掉多个手指操作的问题。